Machine for flaring and bending metal hoops



No. 609,807. Patented Aug. 30, I898. E. G. B. HOLMES.

MACHINE FOR FLARING AND BENDING METAL HOOPS.

(Application filed Sept. 29, 1897.)

2 SheetsSheet I.

(No Model.)

4 w Z Inventor-.5 BY f Attorney.

Witnesses,

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No. 609,807. Patented Aug. 30, I898. E. & B. HOLMES. MACHINE FDR FLARINGAND BENDING METAL HOOPS.

(Application filed Sept. 29, 1897.) I

2 Sheets-Sheet 2.

(No Model.)

NITED STATES PATENT OFFICE.

EDWARD HOLMES AND BRITAIN noLMEs, OF BUFFALO, NEW YORK.

MACHINE FOR FLARING AND B ENI D ING METAL HOOPS.

SPECIFICATION forming part of Letters Patent No.'609,807, dated August30, 1898. Application filed $eptem'ber 29, 1897. $erial No. 653,430. (Nomodel.)

To all whom it may concern.-

Be it known that we, EDWARD HOLMES and BRITAIN HOLMES, citizens of theUnited States, residing at Buffalo, in the county of Erie and State ofNew York, have invented certain new and useful Improvements in Machinesfor Flarin g and Bending Metal Hoops, of which the following isaspecification.

Our invention relates to an improved means for flaring and bending metalhoops, and will be fully and clearly hereinafter described and claimed,reference being had to the accompanying drawings, in which- Figure 1represents a front elevation of the machine complete. Fig. 2 representsa rear elevation of the same. Fig. 3 is a vertical transverse section onor about line a a, Fig. 5. Fig. 4: represents a top plan View of themachine. Fig. 5 is a vertical transverse section on or about line b b,Fig. 1. Fig. 6 represents an enlarged side elevation showing a frontView of the hoop-flaring rollers. Fig. 7 is an enlarged verticallongitudinal central section through one of the hoop-flaring rollers andits several parts on or about line c, Fig. 6. Fig. 8 represents atransverse section on or about line ff, Fig. 7. Fig. 9 is asubstantially horizontal section on or about line at d, Fig. 11, showinga top plan view of the delivery and bending mechanism. Fig. 10represents a horizontal section on or about line 6 c, Fig. 11'. Fig. 11is a side elevation of a portion of the supporting-frame of the machine,showing a flaring-roller, one of the delivery-rollers, thebending-rollers, and their supporting parts.

Referring to the drawingsin detail, the support for the machine-frame ispreferably constructedof cast-iron in the form of a hollow verticalsupporting-column 1, havingan enlarged base provided with screw-bolts 2for securing it. At the top of the supporting portion 1 is secured, bybolts 3, the machineframe, consisting of the front and rear framepieces4 and 42111 which are mounted the boxes carrying the shafting.

The top frame portion may be formed in one piece with the portions 4.and t, or it may be secured thereto by screw-bolts in the Ordinary way.In the top frame portion 5 are two openings, in each of which is fitteda door 6 on hinges 7. The object of the doors 6 is to provide a meansfor getting at the interior, either for oiling the journals or for anypurpose that may be required.

In the frame portions 4 and 4 are mounted in boxes the shafts 8, 9, 10,11, 12, and 13. The shafts S, 9, and carry the hoop-flaring rollers, andon the opposite end of the shaft 8 are mounted the driving-pulley 14 andthe loose pulley 15.

In describing the construction of the hoopfiaring rollers we will referto the one on shaft 8 and to Figs. 5 and 7 for the details of comstruction, the other two hoop-flaring rollers being exactly the same inconstruction and operation, except theyare a little less in diameter.

The cylindrical-portion 16 is rigidly secured to the shaft by a key 16(see Fig. 7) or other well-knownmeans to'secure it and prevent it fromturning on its shaft. It is provided wit-h an enlarged or flangedportion 16, and rigidly secured to it is a pin 17, extending out fromone side.

A cylindrical tubular portion or sleeve 18 is provided with an enlargedportion 19 and a reduced central opening adapted to fit over thecylindrical portion 16 and slide easily back and forth. v It isprevented from turning thereon, while being free to slide easily backand forth, by the pin 17, which fits in a slot 20 in said-enlargedportion 19. Extending out from the reduced opening which fits the shaftis an enlarged opening, leaving room to permit a spiral spring 21 to befitted loosely on thecylindrical portion 16. At the end of the shaft isa screw-threaded portion 22, over which is loosely fitted a washer 23,which rests against the spring 21, and a screwnut 24., adapted to fitthe sorewthreaded portion 22, is employed to compress the spring 21 moreor less. The portion 18 is provided with an external screw-thread and acap 25, having an internal screw-thread; (see, Fig. 7,) adapted toengage therewith, and is provided with a nut-section 26, by which it maybe screwed back and forth over the portion 18.

From the above construction it will be seen that by turning the cap 25the opening between the faces r and s of the parts 16 and 19 may be madegreater or; less and that the spring 21 will force the face Stoward'theface 1' until the inner side of the cap 25 comes against the end of theshaft and stops it, as

shown at 27 in said Fig. 7. The object of this construction will appearmore clearly farther on.

Within the casing inclosed by the doors 6 (see Figs. 3 and 5) is rigidlysecured to the driving-shaft 8 a spur gear-wheel 28, adapted to gear inwith a pinion 29, mounted loosely on the short shaft orstud 12. Securedto the shaft 11 is another spur gear-wheel 30, also in gear with thepinion 29. The shaft 11 is provided with asecond spur gear-wheel31. (SeeFig. 5.) This gear-wheel 31 gears in with two spur gear-wheels, one, 32,on the shaft 9 and the other one, 33, on the shaft 10, both firmlysecured to said shafts. (See Fig. 3.)

Asabove mentioned, the shafts 8, 9, and 10 carry the hoop-flarin grollers. Consequently they rotate in the direction of the arrows shownin Figs. 3 and 6, which operation will be understood by referenceto Fig.3. The driving-shaft 8 and its gear-Wheel 28 turn in the direction ofthe arrow '5, which would turn the pinion 29 in the reverse direction,and the wheels 30 and 31 in gear with it would turn in the direction ofthe arrow J. This operation would cause the gear-wheel 31 to turn thetwo gear-Wheels 32 and 33 in the direction of the arrow K. Consequentlythey all move in the proper direction to carry the hoop into themachine.

To assist in keeping the lower edge of the hoop exactly in its properposition as it is passing through the machine, we employ a small groovedroller 34. (See Figs.5 and 6,also Fig. 1.) The grooved roller 34 ismounted in a supporting-frame 35,,which is made vertically adjustable bymeans of bolts 35 ,which pass through elongated openings 36 and screwinto the side of the frame, thereby allowing said frame to be adjustedup or down and then rigidly secured by said bolts.

The reason for the vertical adjustment of the grooved roller 34 is'toprovide the means for adjusting the machine for hoops, of differentwidths.

The wheels 32 and 33 are made adjustable toward or from each other inthe line of a circle of which the shaft 11 is the center by means of thescrew-bolts 37 37, (see Fig. 3,) said shafts being fitted in boxes incurved slideways constructed in the Well-known manner, the object beingto provide a suitable means for adjusting the lower hoop-flaring rollerstoward or from the hoop-flaring roller on the shaft 8, and therebyregulate the bending of the hoop edgewise, so as to give it the propertaper or flare when bent at right angles to the edgewise bend.

In Figs. 6 and 11 the dotted lines'z represent the hoop-band as beingbent as above described or in the direction of its width. This edgewisebending is comparatively a slight bend, being just sufficient only togive the required taper to the hoop when formed ready to be put onto abarrel or keg.

The object of the flaring-roller faces 1" and the yielding faces S andtheir means of adjustment is to provide the means for keeping thehoop-band in its proper position while receiving its flaring bend, andtheobject in the means of adjustment and the spring 21 is to provide forforming hoops of different thicknesses of metal.

In describing the mechanism for forming the band into a hoop or bendingit in the direction of its thickness reference is had to Figs. 1, 4, 9,10, and 11, especially Figs. 9, 10, and 11.

Two side frame-pieces 38 38 are securely bolted to the frame-piece 4 andcarry in fixed bearingsafeed-roller39,slightlyinclined from theperpendicular. To the upper portion of the feed-roller 39 is rigidlysecured a bevel gear-wheel 40, which gears in 'with a bevel gear-wheel41 on the shaft 13. At the back end of the shaft 13 is secured a spurgearwheel 42. (See Figs. 1, 3, and 5, where this gear-wheel is shown.)On the shaft 8 is rigidly secured a gear-wheel 43, adapted to gear inwith the gear-wheel 42, (the wheel 43 is shown in Fig. 5,)and therebygive motion to the feed-roller 39. The companion feed-roller 39 ismounted in two frame-pieces 44,which are pivoted to the supportingframe-pieces 3S and 38 by pivotal pins 45.

The free ends of the two pivoted framepieces 44 and the roller 33 arekept with a spring force up to or near the roller 39 by means of twobolts 46, which are rigidly secured to the frame-pieces 38 and 38 andpass loosely through the pivoted frame-pieces 44, substantially as shownby dotted linesin Figs. 9 and 10. A metal'washer 47 is then put overeach of the screw-bolts 46, so as to rest against the pivoted frames 44.Then arubber spring 48, a metal washer 47, and a screwnut 49 are placedupon each bolt, by which the whole are secured and by means of which theforce of the rubber spring may be adjusted. (See Figs. 9, 10, and 11.)

The above provides a suitable means for adjusting the force of theforming-rollers, which also assist in carrying the strip for the hoopthrough the machine.

The bending and delivery roller 51 is mounted in bearings in asupporting-frame 52. (See Figs. 9, 10, and 11.) To the frame-piece 38 isrigidly secured an arm 53, extending diagonally to the center of thesupportingframe 52, (see Fig. 11,) where this arm is shown in dottedlines. Other views of it are shown in Figs. 9 and 10. The arm 53terminates in a hub-shaped portion 54, having an opening through which abolt 55 passes. (See Figs. 9 and 10.)

The frame 52 is provided with a ball portion at the point 56. The ball56 is also provided with a hole through it made to flare out or enlargefrom each side, (see Fig. 10,) the object being to allow for anoscillating movement of the frame and its bending-roller for adjustingthe roller t0 the hoop to be bent. One side of the ball 56 (which actsas a universal joint) is placed in the concave portion of the hub 54,and then the bolt is passed through the ball 50, the hub 54:, a rubberspring 58, and washer 59 until stopped by the head 57 of the bolt 55. Anut 60 is then put on the screw-threaded portion of the bolt and screwedup until the parts are held suiiiciently secure, a set-screw 61 passingthrough the arm 53 until its end reaches the pivoted supporting-frame52,thereby providing the means for adjusting the roller 51 to bend thehoop bar or band more or less.

The operation of the machine is as follows: A strip of iron orothermetal a, being put into the machine, is started in between theflaring-rollers, which bend it edgewise substantially as shown in Fig.6, said rollers being adjusted to give it the required flare or taperwhen formed into a hoop. The strip passes from the flaring-rollers intoand through the forming-rollers and leaves the machine in the form of ahoop ready to be riveted together and having the required size and flareto fit the barrel or keg.

We claim as our invention- 1. In a hoop-flaring roller, the combinationwith an operating-shaft, of a flanged roller secured to said shaft,aflanged sleeve mounted on the flanged roller so as to be longitudinallymovable thereon and so that the side faces of the flanges face eachother, means for holding the movable flanged portion toward the otherwith a yielding force, and means for adjusting the distance it shallmove toward the other flanged portion.

2. In a hoop flaring and bending machine, the combination with anoperating-shaft, of a flanged roller, a flanged sleeve mounted on saidroller so as to be longitudinally movable thereon, and so that the side.faces of the flanges will face each other and allow the hoop-formingstrip to pass between them, and means for holding one face toward theother with a spring force.

3. In a hoop-flaring roller, the combination with the operating-shaft ofa flanged roller rigidly secured to it, a cylindrical tubular flangedportion mounted on the flanged roller and adapted to move easily towardor from the flanged portion of said roller, means for preventing it fromturning on said roller, a spring for keeping it and its flanged portionin their normal position near the roller-flanged portion, and means foradjusting the dis tance the two flanges shall come toward each other forthe purposes described.

4. In a hoop flaring and bending machine, the combination with aflaring-roller shaft of a cylindrical portion, 16, rigidly secured tosaid shaft and having a face 4, a tubular portion or sleeve providedwith areduced central opening adapted to fit and slide on the portion,16, means for preventing it from turning thereon, an enlarged openingextending from said reduced opening through the sleeve and an exteriorscrew-thread, a spiral spring Within the enlarged opening andsurrounding the portion, 16, a screw-threaded portion and nut at the endof the flaring-roller shaft for adjusting the force of said spring, anda cap adapted to screw onto said sleeve for adj usting the distance thefaces a and 3 shall come together, as above set forth. a

5. In a hoop flaring and bending machine, the hoop-flaring rollersmounted on the machine and connected by gearing, for bending the hoop inan edgewise direction, their operating mechanism connecting with thedrivingshaft, and means for adjusting them in the line of a circletoward or from each other, in combination with two rollers for bendingthe hoop in a transverse direction, gearing c011- nectin g said rollerswith the driving-shaft for operating them, and means for adjusting saidrollers toward or from each other for regulating the size of the hoop tobe bent, as above set forth.

EDWARD HOLMES.

BRITAIN HOLMES.

Vitnesses:

J AMES SANGS'IER, G. A. NEUBAUEB.

